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solmaris [256]
2 years ago
8

Tionna's car expenses include car insurance and fuel. Tionna's parents agree to pay a certain percent of her car expenses. The c

ost of car insurance is the same every month, but the cost of fuel depends on the d, number of miles she drives. The expression (0.10d+60)(1−a) represents how much Tionna must pay toward her monthly car expenses.
Which statement is correct?


The expression 1−a represents the percent of car expenses Tionna's parents pay each month, and 60 represents the cost of fuel.

The expression 1−a represents the percent of car expenses Tionna must pay each month, and 60 represents the cost of fuel.

The expression 1−a represents the percent of car expenses Tionna's parents pay each month, and 60 represents the cost of car insurance.

The expression 1−a represents the percent of car expenses Tionna must pay each month, and 60 represents the cost of car insurance.
Mathematics
1 answer:
viva [34]2 years ago
5 0

Answer:

C

Step-by-step explanation:

"The expression 1−a represents the percent of car expenses Tionna's parents pay each month, and 60 represents the cost of car insurance."

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7 0
2 years ago
Suppose that your net income for the month is $1,500 and that your total expenses are $2,500
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Answer:

You will need to double your net income in order to make a profit.

Step-by-step explanation:

1500 x 2 = 3000 - 2500 = 500 which is 500 dollars profit

6 0
4 years ago
A multiple-choice standard test contains total of 25 questions, each with four answers. Assume that a student just guesses on ea
weqwewe [10]

Answer:

a)  8*88*10⁻⁶ ( 0.00088 %)

b) 0.2137 (21.37%)

Step-by-step explanation:

if the test contains 25 questions and each questions is independent of the others, then the random variable X= answer "x" questions correctly , has a binomial probability distribution. Then

P(X=x)= n!/((n-x)!*x!)*p^x*(1-p)^(n-x)

where

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p= probability of getting a question right = 1/4

then

a) P(x=n) = p^n = (1/4)²⁵ = 8*88*10⁻⁶ ( 0.00088 %)

b) P(x<5)= F(5)

where F(x) is the cumulative binomial probability distribution- Then from tables

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7 0
4 years ago
PLEASE HELP QUICK
KATRIN_1 [288]

1) The probability of getting a queen is 187/10000 which is 0.0187 = 1.87%


2) The probability is 449 / 479 which is 0.937 = 93.7%


You may need to round the answers. It doesn't say if they need to be rounded or not.

8 0
3 years ago
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Alex777 [14]

Answer:

The answer is 5 people.

Step-by-step explanation:

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<em>Hope this helps!</em>

8 0
3 years ago
Read 2 more answers
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